skip tests

Author: Brian Chen

packages/firestore/test/integration/api/transactions.test.ts

@@ -295,7 +295,8 @@ apiDescribe('Database transactions', (persistence: boolean) => {
     });
   });
 
-  it('runs transactions on existing document', async () => {
+  // TODO(b/153595228): De-flake this test.
+  it.skip('runs transactions on existing document', async () => {
     return integrationHelpers.withTestDb(persistence, async db => {
       const tt = new TransactionTester(db);